Answer:
c. 12
Step-by-step explanation:
To isolate the variable, you need to cancel out whatever's on the same side of the variable by using the inverse of the operation.
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Hand: 27 bones
Body: 206 bones
Percent of bones in hand of all human body is expressible by 27 divided by (/) 206 times (*) 100.
27/206=0.13*100=13%
Roughly 13% of bones in the body is in one human hand.
26% in 2 hands. Expressible by 13%*2.
7y+2(5y-9)=16
7y+10y-18=16
17y=34
y=2
5(2)-9=x
10-9=x
x=1
A because 2x9 equals 18 and 9x2 equals 18
